<template>
<div>
    <!-- 面包屑导航start -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
          <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
          <el-breadcrumb-item>商品管理</el-breadcrumb-item>
          <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
    <!-- 面包屑导航end -->

    <!-- 卡片区域start -->
        <el-card>
             <el-row :gutter="20">
                 <el-col :span="6">
                     <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable  @clear="getGoodsList">
                         <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                     </el-input>
                 </el-col>
                 <el-col :span="9">
                     <el-button type="primary" @click="addGooldsList">添加商品</el-button>
                 </el-col>
             </el-row>
        </el-card>

        <!-- 表格start -->
            <el-table  :data="goodsList" stripe  border>
               <el-table-column type="index" label="#" ></el-table-column>
               <el-table-column prop="goods_name"  label="商品名称" width="600px"></el-table-column>
               <el-table-column prop="goods_price"  label="商品价格(元)" width="110px"></el-table-column>
               <el-table-column prop="goods_weight"  label="商品重量" width="110px"></el-table-column>
               <el-table-column prop="add_time"  label="创建时间" width="180px" >
                   <template v-slot="{row}">
                       {{row.add_time | dateFormat}}
                   </template>
               </el-table-column>
               <el-table-column  label="操作">
                   <template v-slot="{row}">
                       <!-- 修改 -->
                   <el-button type="primary" icon="el-icon-edit" @click="showEaitDialog(row.goods_id)" ></el-button>
                       <!-- 删除 -->
                   <el-button type="danger" icon="el-icon-delete" @click="removeById(row.goods_id)"></el-button>
                   </template>
               </el-table-column>
           </el-table>
        <!-- 表格end -->

    <!-- 卡片区域end -->

    <!-- 分页区域start -->
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagenum"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
        </el-pagination>
    <!-- 分页区域end -->
</div>
</template>

<script>
export default {
  data () {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      //   商品列表
      goodsList: [],
      //  总条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        this.$message.error('获取商品列表失败')
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newNum) {
      this.queryInfo.pagenum = newNum
      this.getGoodsList()
    },
    // 点击按钮删除商品
    async removeById (id) {
      const removeConfirm = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (removeConfirm !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    // 添加商品
    addGooldsList () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
.el-tbody {
    font-size: 12px;
}
</style>
